horizon/openstack_dashboard/api/nova.py
Shu Muto e7f22178b2 Add delete action for key pair
This patch adds delete actions for angularized key pair panel.

Change-Id: Iccb5014add0e19d6154bd6261d97a83b2ecdf32f
Partial-Implements: blueprint ng-keypairs
2017-11-01 14:53:04 +09:00

1044 lines
33 KiB
Python

# Copyright 2012 United States Government as represented by the
# Administrator of the National Aeronautics and Space Administration.
# All Rights Reserved.
#
# Copyright 2012 OpenStack Foundation
# Copyright 2012 Nebula, Inc.
# Copyright (c) 2012 X.commerce, a business unit of eBay Inc.
#
# Licensed under the Apache License, Version 2.0 (the "License"); you may
# not use this file except in compliance with the License. You may obtain
# a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
# License for the specific language governing permissions and limitations
# under the License.
from __future__ import absolute_import
import collections
import logging
from django.conf import settings
from django.utils.translation import ugettext_lazy as _
from novaclient import api_versions
from novaclient import client as nova_client
from novaclient import exceptions as nova_exceptions
from novaclient.v2 import instance_action as nova_instance_action
from novaclient.v2 import list_extensions as nova_list_extensions
from novaclient.v2 import servers as nova_servers
from horizon import exceptions as horizon_exceptions
from horizon.utils import functions as utils
from horizon.utils.memoized import memoized
from horizon.utils.memoized import memoized_with_request
from openstack_dashboard.api import base
from openstack_dashboard.api import microversions
from openstack_dashboard.contrib.developer.profiler import api as profiler
LOG = logging.getLogger(__name__)
# Supported compute versions
VERSIONS = base.APIVersionManager("compute", preferred_version=2)
VERSIONS.load_supported_version(1.1, {"client": nova_client, "version": 1.1})
VERSIONS.load_supported_version(2, {"client": nova_client, "version": 2})
# API static values
INSTANCE_ACTIVE_STATE = 'ACTIVE'
VOLUME_STATE_AVAILABLE = "available"
DEFAULT_QUOTA_NAME = 'default'
INSECURE = getattr(settings, 'OPENSTACK_SSL_NO_VERIFY', False)
CACERT = getattr(settings, 'OPENSTACK_SSL_CACERT', None)
@memoized
def get_microversion(request, feature):
client = novaclient(request)
min_ver, max_ver = api_versions._get_server_version_range(client)
return (microversions.get_microversion_for_feature(
'nova', feature, api_versions.APIVersion, min_ver, max_ver))
def is_feature_available(request, feature):
return bool(get_microversion(request, feature))
class VNCConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_vnc_console method.
"""
_attrs = ['url', 'type']
class SPICEConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_spice_console method.
"""
_attrs = ['url', 'type']
class RDPConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_rdp_console method.
"""
_attrs = ['url', 'type']
class SerialConsole(base.APIDictWrapper):
"""Wrapper for the "console" dictionary.
Returned by the novaclient.servers.get_serial_console method.
"""
_attrs = ['url', 'type']
class Server(base.APIResourceWrapper):
"""Simple wrapper around novaclient.server.Server.
Preserves the request info so image name can later be retrieved.
"""
_attrs = ['addresses', 'attrs', 'id', 'image', 'links', 'description',
'metadata', 'name', 'private_ip', 'public_ip', 'status', 'uuid',
'image_name', 'VirtualInterfaces', 'flavor', 'key_name', 'fault',
'tenant_id', 'user_id', 'created', 'locked',
'OS-EXT-STS:power_state', 'OS-EXT-STS:task_state',
'OS-EXT-SRV-ATTR:instance_name', 'OS-EXT-SRV-ATTR:host',
'OS-EXT-AZ:availability_zone', 'OS-DCF:diskConfig']
def __init__(self, apiresource, request):
super(Server, self).__init__(apiresource)
self.request = request
# TODO(gabriel): deprecate making a call to Glance as a fallback.
@property
def image_name(self):
import glanceclient.exc as glance_exceptions
from openstack_dashboard.api import glance
if not self.image:
return None
if hasattr(self.image, 'name'):
return self.image.name
if 'name' in self.image:
return self.image['name']
else:
try:
image = glance.image_get(self.request, self.image['id'])
self.image['name'] = image.name
return image.name
except (glance_exceptions.ClientException,
horizon_exceptions.ServiceCatalogException):
self.image['name'] = None
return None
@property
def internal_name(self):
return getattr(self, 'OS-EXT-SRV-ATTR:instance_name', "")
@property
def availability_zone(self):
return getattr(self, 'OS-EXT-AZ:availability_zone', "")
@property
def host_server(self):
return getattr(self, 'OS-EXT-SRV-ATTR:host', '')
class Hypervisor(base.APIDictWrapper):
"""Simple wrapper around novaclient.hypervisors.Hypervisor."""
_attrs = ['manager', '_loaded', '_info', 'hypervisor_hostname', 'id',
'servers']
@property
def servers(self):
# if hypervisor doesn't have servers, the attribute is not present
servers = []
try:
servers = self._apidict.servers
except Exception:
pass
return servers
class NovaUsage(base.APIResourceWrapper):
"""Simple wrapper around contrib/simple_usage.py."""
_attrs = ['start', 'server_usages', 'stop', 'tenant_id',
'total_local_gb_usage', 'total_memory_mb_usage',
'total_vcpus_usage', 'total_hours']
def get_summary(self):
return {'instances': self.total_active_instances,
'memory_mb': self.memory_mb,
'vcpus': self.vcpus,
'vcpu_hours': self.vcpu_hours,
'local_gb': self.local_gb,
'disk_gb_hours': self.disk_gb_hours,
'memory_mb_hours': self.memory_mb_hours}
@property
def total_active_instances(self):
return sum(1 for s in self.server_usages if s['ended_at'] is None)
@property
def vcpus(self):
return sum(s['vcpus'] for s in self.server_usages
if s['ended_at'] is None)
@property
def vcpu_hours(self):
return getattr(self, "total_vcpus_usage", 0)
@property
def local_gb(self):
return sum(s['local_gb'] for s in self.server_usages
if s['ended_at'] is None)
@property
def memory_mb(self):
return sum(s['memory_mb'] for s in self.server_usages
if s['ended_at'] is None)
@property
def disk_gb_hours(self):
return getattr(self, "total_local_gb_usage", 0)
@property
def memory_mb_hours(self):
return getattr(self, "total_memory_mb_usage", 0)
class FlavorExtraSpec(object):
def __init__(self, flavor_id, key, val):
self.flavor_id = flavor_id
self.id = key
self.key = key
self.value = val
def get_auth_params_from_request(request):
"""Extracts properties needed by novaclient call from the request object.
These will be used to memoize the calls to novaclient.
"""
return (
request.user.username,
request.user.token.id,
request.user.tenant_id,
request.user.token.project.get('domain_id'),
base.url_for(request, 'compute'),
base.url_for(request, 'identity')
)
@memoized_with_request(get_auth_params_from_request)
def novaclient(request_auth_params, version=None):
(
username,
token_id,
project_id,
project_domain_id,
nova_url,
auth_url
) = request_auth_params
if version is None:
version = VERSIONS.get_active_version()['version']
c = nova_client.Client(version,
username,
token_id,
project_id=project_id,
project_domain_id=project_domain_id,
auth_url=auth_url,
insecure=INSECURE,
cacert=CACERT,
http_log_debug=settings.DEBUG,
auth_token=token_id,
endpoint_override=nova_url)
return c
def upgrade_api(request, client, version):
"""Ugrade the nova API to the specified version if possible."""
min_ver, max_ver = api_versions._get_server_version_range(client)
if min_ver <= api_versions.APIVersion(version) <= max_ver:
client = novaclient(request, version)
return client
@profiler.trace
def server_vnc_console(request, instance_id, console_type='novnc'):
return VNCConsole(novaclient(request).servers.get_vnc_console(
instance_id, console_type)['console'])
@profiler.trace
def server_spice_console(request, instance_id, console_type='spice-html5'):
return SPICEConsole(novaclient(request).servers.get_spice_console(
instance_id, console_type)['console'])
@profiler.trace
def server_rdp_console(request, instance_id, console_type='rdp-html5'):
return RDPConsole(novaclient(request).servers.get_rdp_console(
instance_id, console_type)['console'])
@profiler.trace
def server_serial_console(request, instance_id, console_type='serial'):
return SerialConsole(novaclient(request).servers.get_serial_console(
instance_id, console_type)['console'])
@profiler.trace
def flavor_create(request, name, memory, vcpu, disk, flavorid='auto',
ephemeral=0, swap=0, metadata=None, is_public=True,
rxtx_factor=1):
flavor = novaclient(request).flavors.create(name, memory, vcpu, disk,
flavorid=flavorid,
ephemeral=ephemeral,
swap=swap, is_public=is_public,
rxtx_factor=rxtx_factor)
if (metadata):
flavor_extra_set(request, flavor.id, metadata)
return flavor
@profiler.trace
def flavor_delete(request, flavor_id):
novaclient(request).flavors.delete(flavor_id)
@profiler.trace
def flavor_get(request, flavor_id, get_extras=False):
flavor = novaclient(request).flavors.get(flavor_id)
if get_extras:
flavor.extras = flavor_get_extras(request, flavor.id, True, flavor)
return flavor
@profiler.trace
@memoized
def flavor_list(request, is_public=True, get_extras=False):
"""Get the list of available instance sizes (flavors)."""
flavors = novaclient(request).flavors.list(is_public=is_public)
if get_extras:
for flavor in flavors:
flavor.extras = flavor_get_extras(request, flavor.id, True, flavor)
return flavors
@profiler.trace
def update_pagination(entities, page_size, marker, sort_dir, sort_key,
reversed_order):
has_more_data = has_prev_data = False
if len(entities) > page_size:
has_more_data = True
entities.pop()
if marker is not None:
has_prev_data = True
# first page condition when reached via prev back
elif reversed_order and marker is not None:
has_more_data = True
# last page condition
elif marker is not None:
has_prev_data = True
# restore the original ordering here
if reversed_order:
entities = sorted(entities, key=lambda entity:
(getattr(entity, sort_key) or '').lower(),
reverse=(sort_dir == 'asc'))
return entities, has_more_data, has_prev_data
@profiler.trace
@memoized
def flavor_list_paged(request, is_public=True, get_extras=False, marker=None,
paginate=False, sort_key="name", sort_dir="desc",
reversed_order=False):
"""Get the list of available instance sizes (flavors)."""
has_more_data = False
has_prev_data = False
if paginate:
if reversed_order:
sort_dir = 'desc' if sort_dir == 'asc' else 'asc'
page_size = utils.get_page_size(request)
flavors = novaclient(request).flavors.list(is_public=is_public,
marker=marker,
limit=page_size + 1,
sort_key=sort_key,
sort_dir=sort_dir)
flavors, has_more_data, has_prev_data = update_pagination(
flavors, page_size, marker, sort_dir, sort_key, reversed_order)
else:
flavors = novaclient(request).flavors.list(is_public=is_public)
if get_extras:
for flavor in flavors:
flavor.extras = flavor_get_extras(request, flavor.id, True, flavor)
return (flavors, has_more_data, has_prev_data)
@profiler.trace
@memoized_with_request(novaclient)
def flavor_access_list(nova_api, flavor=None):
"""Get the list of access instance sizes (flavors)."""
return nova_api.flavor_access.list(flavor=flavor)
@profiler.trace
def add_tenant_to_flavor(request, flavor, tenant):
"""Add a tenant to the given flavor access list."""
return novaclient(request).flavor_access.add_tenant_access(
flavor=flavor, tenant=tenant)
@profiler.trace
def remove_tenant_from_flavor(request, flavor, tenant):
"""Remove a tenant from the given flavor access list."""
return novaclient(request).flavor_access.remove_tenant_access(
flavor=flavor, tenant=tenant)
@profiler.trace
def flavor_get_extras(request, flavor_id, raw=False, flavor=None):
"""Get flavor extra specs."""
if flavor is None:
flavor = novaclient(request).flavors.get(flavor_id)
extras = flavor.get_keys()
if raw:
return extras
return [FlavorExtraSpec(flavor_id, key, value) for
key, value in extras.items()]
@profiler.trace
def flavor_extra_delete(request, flavor_id, keys):
"""Unset the flavor extra spec keys."""
flavor = novaclient(request).flavors.get(flavor_id)
return flavor.unset_keys(keys)
@profiler.trace
def flavor_extra_set(request, flavor_id, metadata):
"""Set the flavor extra spec keys."""
flavor = novaclient(request).flavors.get(flavor_id)
if (not metadata): # not a way to delete keys
return None
return flavor.set_keys(metadata)
@profiler.trace
def snapshot_create(request, instance_id, name):
return novaclient(request).servers.create_image(instance_id, name)
@profiler.trace
def keypair_create(request, name):
return novaclient(request).keypairs.create(name)
@profiler.trace
def keypair_import(request, name, public_key):
return novaclient(request).keypairs.create(name, public_key)
@profiler.trace
def keypair_delete(request, name):
novaclient(request).keypairs.delete(name)
@profiler.trace
def keypair_list(request):
return novaclient(request).keypairs.list()
@profiler.trace
def keypair_get(request, name):
return novaclient(request).keypairs.get(name)
@profiler.trace
def server_create(request, name, image, flavor, key_name, user_data,
security_groups, block_device_mapping=None,
block_device_mapping_v2=None, nics=None,
availability_zone=None, instance_count=1, admin_pass=None,
disk_config=None, config_drive=None, meta=None,
scheduler_hints=None, description=None):
kwargs = {}
if description is not None:
kwargs['description'] = description
return Server(get_novaclient_with_instance_desc(request).servers.create(
name.strip(), image, flavor, userdata=user_data,
security_groups=security_groups,
key_name=key_name, block_device_mapping=block_device_mapping,
block_device_mapping_v2=block_device_mapping_v2,
nics=nics, availability_zone=availability_zone,
min_count=instance_count, admin_pass=admin_pass,
disk_config=disk_config, config_drive=config_drive,
meta=meta, scheduler_hints=scheduler_hints, **kwargs), request)
@profiler.trace
def server_delete(request, instance_id):
novaclient(request).servers.delete(instance_id)
def get_novaclient_with_locked_status(request):
microversion = get_microversion(request, "locked_attribute")
return novaclient(request, version=microversion)
def get_novaclient_with_instance_desc(request):
microversion = get_microversion(request, "instance_description")
return novaclient(request, version=microversion)
@profiler.trace
def server_get(request, instance_id):
return Server(get_novaclient_with_instance_desc(request).servers.get(
instance_id), request)
@profiler.trace
def server_list(request, search_opts=None, detailed=True):
nova_client = get_novaclient_with_locked_status(request)
page_size = utils.get_page_size(request)
paginate = False
if search_opts is None:
search_opts = {}
elif 'paginate' in search_opts:
paginate = search_opts.pop('paginate')
if paginate:
search_opts['limit'] = page_size + 1
all_tenants = search_opts.get('all_tenants', False)
if all_tenants:
search_opts['all_tenants'] = True
else:
search_opts['project_id'] = request.user.tenant_id
servers = [Server(s, request)
for s in nova_client.servers.list(detailed, search_opts)]
has_more_data = False
if paginate and len(servers) > page_size:
servers.pop(-1)
has_more_data = True
elif paginate and len(servers) == getattr(settings, 'API_RESULT_LIMIT',
1000):
has_more_data = True
return (servers, has_more_data)
@profiler.trace
def server_console_output(request, instance_id, tail_length=None):
"""Gets console output of an instance."""
return novaclient(request).servers.get_console_output(instance_id,
length=tail_length)
@profiler.trace
def server_pause(request, instance_id):
novaclient(request).servers.pause(instance_id)
@profiler.trace
def server_unpause(request, instance_id):
novaclient(request).servers.unpause(instance_id)
@profiler.trace
def server_suspend(request, instance_id):
novaclient(request).servers.suspend(instance_id)
@profiler.trace
def server_resume(request, instance_id):
novaclient(request).servers.resume(instance_id)
@profiler.trace
def server_shelve(request, instance_id):
novaclient(request).servers.shelve(instance_id)
@profiler.trace
def server_unshelve(request, instance_id):
novaclient(request).servers.unshelve(instance_id)
@profiler.trace
def server_reboot(request, instance_id, soft_reboot=False):
hardness = nova_servers.REBOOT_HARD
if soft_reboot:
hardness = nova_servers.REBOOT_SOFT
novaclient(request).servers.reboot(instance_id, hardness)
@profiler.trace
def server_rebuild(request, instance_id, image_id, password=None,
disk_config=None):
return novaclient(request).servers.rebuild(instance_id, image_id,
password, disk_config)
@profiler.trace
def server_update(request, instance_id, name, description=None):
return get_novaclient_with_instance_desc(request).servers.update(
instance_id, name=name.strip(), description=description)
@profiler.trace
def server_migrate(request, instance_id):
novaclient(request).servers.migrate(instance_id)
@profiler.trace
def server_live_migrate(request, instance_id, host, block_migration=False,
disk_over_commit=False):
novaclient(request).servers.live_migrate(instance_id, host,
block_migration,
disk_over_commit)
@profiler.trace
def server_resize(request, instance_id, flavor, disk_config=None, **kwargs):
novaclient(request).servers.resize(instance_id, flavor,
disk_config, **kwargs)
@profiler.trace
def server_confirm_resize(request, instance_id):
novaclient(request).servers.confirm_resize(instance_id)
@profiler.trace
def server_revert_resize(request, instance_id):
novaclient(request).servers.revert_resize(instance_id)
@profiler.trace
def server_start(request, instance_id):
novaclient(request).servers.start(instance_id)
@profiler.trace
def server_stop(request, instance_id):
novaclient(request).servers.stop(instance_id)
@profiler.trace
def server_lock(request, instance_id):
microversion = get_microversion(request, "locked_attribute")
novaclient(request, version=microversion).servers.lock(instance_id)
@profiler.trace
def server_unlock(request, instance_id):
microversion = get_microversion(request, "locked_attribute")
novaclient(request, version=microversion).servers.unlock(instance_id)
@profiler.trace
def server_metadata_update(request, instance_id, metadata):
novaclient(request).servers.set_meta(instance_id, metadata)
@profiler.trace
def server_metadata_delete(request, instance_id, keys):
novaclient(request).servers.delete_meta(instance_id, keys)
@profiler.trace
def tenant_quota_get(request, tenant_id):
return base.QuotaSet(novaclient(request).quotas.get(tenant_id))
@profiler.trace
def tenant_quota_update(request, tenant_id, **kwargs):
if kwargs:
novaclient(request).quotas.update(tenant_id, **kwargs)
@profiler.trace
def default_quota_get(request, tenant_id):
return base.QuotaSet(novaclient(request).quotas.defaults(tenant_id))
@profiler.trace
def default_quota_update(request, **kwargs):
novaclient(request).quota_classes.update(DEFAULT_QUOTA_NAME, **kwargs)
def _get_usage_marker(usage):
marker = None
if hasattr(usage, 'server_usages') and usage.server_usages:
marker = usage.server_usages[-1].get('instance_id')
return marker
def _get_usage_list_marker(usage_list):
marker = None
if usage_list:
marker = _get_usage_marker(usage_list[-1])
return marker
def _merge_usage(usage, next_usage):
usage.server_usages.extend(next_usage.server_usages)
usage.total_hours += next_usage.total_hours
usage.total_memory_mb_usage += next_usage.total_memory_mb_usage
usage.total_vcpus_usage += next_usage.total_vcpus_usage
usage.total_local_gb_usage += next_usage.total_local_gb_usage
def _merge_usage_list(usages, next_usage_list):
for next_usage in next_usage_list:
if next_usage.tenant_id in usages:
_merge_usage(usages[next_usage.tenant_id], next_usage)
else:
usages[next_usage.tenant_id] = next_usage
@profiler.trace
def usage_get(request, tenant_id, start, end):
client = upgrade_api(request, novaclient(request), '2.40')
usage = client.usage.get(tenant_id, start, end)
if client.api_version >= api_versions.APIVersion('2.40'):
# If the number of instances used to calculate the usage is greater
# than max_limit, the usage will be split across multiple requests
# and the responses will need to be merged back together.
marker = _get_usage_marker(usage)
while marker:
next_usage = client.usage.get(tenant_id, start, end, marker=marker)
marker = _get_usage_marker(next_usage)
if marker:
_merge_usage(usage, next_usage)
return NovaUsage(usage)
@profiler.trace
def usage_list(request, start, end):
client = upgrade_api(request, novaclient(request), '2.40')
usage_list = client.usage.list(start, end, True)
if client.api_version >= api_versions.APIVersion('2.40'):
# If the number of instances used to calculate the usage is greater
# than max_limit, the usage will be split across multiple requests
# and the responses will need to be merged back together.
usages = collections.OrderedDict()
_merge_usage_list(usages, usage_list)
marker = _get_usage_list_marker(usage_list)
while marker:
next_usage_list = client.usage.list(start, end, True,
marker=marker)
marker = _get_usage_list_marker(next_usage_list)
if marker:
_merge_usage_list(usages, next_usage_list)
usage_list = usages.values()
return [NovaUsage(u) for u in usage_list]
@profiler.trace
def get_x509_credentials(request):
return novaclient(request).certs.create()
@profiler.trace
def get_x509_root_certificate(request):
return novaclient(request).certs.get()
@profiler.trace
def get_password(request, instance_id, private_key=None):
return novaclient(request).servers.get_password(instance_id, private_key)
@profiler.trace
def instance_volume_attach(request, volume_id, instance_id, device):
return novaclient(request).volumes.create_server_volume(instance_id,
volume_id,
device)
@profiler.trace
def instance_volume_detach(request, instance_id, att_id):
return novaclient(request).volumes.delete_server_volume(instance_id,
att_id)
@profiler.trace
def instance_volumes_list(request, instance_id):
from openstack_dashboard.api import cinder
volumes = novaclient(request).volumes.get_server_volumes(instance_id)
for volume in volumes:
volume_data = cinder.cinderclient(request).volumes.get(volume.id)
volume.name = cinder.Volume(volume_data).name
return volumes
@profiler.trace
def hypervisor_list(request):
return novaclient(request).hypervisors.list()
@profiler.trace
def hypervisor_stats(request):
return novaclient(request).hypervisors.statistics()
@profiler.trace
def hypervisor_search(request, query, servers=True):
return novaclient(request).hypervisors.search(query, servers)
@profiler.trace
def evacuate_host(request, host, target=None, on_shared_storage=False):
# TODO(jmolle) This should be change for nova atomic api host_evacuate
hypervisors = novaclient(request).hypervisors.search(host, True)
response = []
err_code = None
for hypervisor in hypervisors:
hyper = Hypervisor(hypervisor)
# if hypervisor doesn't have servers, the attribute is not present
for server in hyper.servers:
try:
novaclient(request).servers.evacuate(server['uuid'],
target,
on_shared_storage)
except nova_exceptions.ClientException as err:
err_code = err.code
msg = _("Name: %(name)s ID: %(uuid)s")
msg = msg % {'name': server['name'], 'uuid': server['uuid']}
response.append(msg)
if err_code:
msg = _('Failed to evacuate instances: %s') % ', '.join(response)
raise nova_exceptions.ClientException(err_code, msg)
return True
@profiler.trace
def migrate_host(request, host, live_migrate=False, disk_over_commit=False,
block_migration=False):
hypervisors = novaclient(request).hypervisors.search(host, True)
response = []
err_code = None
for hyper in hypervisors:
for server in getattr(hyper, "servers", []):
try:
if live_migrate:
instance = server_get(request, server['uuid'])
# Checking that instance can be live-migrated
if instance.status in ["ACTIVE", "PAUSED"]:
novaclient(request).servers.live_migrate(
server['uuid'],
None,
block_migration,
disk_over_commit
)
else:
novaclient(request).servers.migrate(server['uuid'])
else:
novaclient(request).servers.migrate(server['uuid'])
except nova_exceptions.ClientException as err:
err_code = err.code
msg = _("Name: %(name)s ID: %(uuid)s")
msg = msg % {'name': server['name'], 'uuid': server['uuid']}
response.append(msg)
if err_code:
msg = _('Failed to migrate instances: %s') % ', '.join(response)
raise nova_exceptions.ClientException(err_code, msg)
return True
@profiler.trace
def tenant_absolute_limits(request, reserved=False):
limits = novaclient(request).limits.get(reserved=reserved).absolute
limits_dict = {}
for limit in limits:
if limit.value < 0:
# Workaround for nova bug 1370867 that absolute_limits
# returns negative value for total.*Used instead of 0.
# For such case, replace negative values with 0.
if limit.name.startswith('total') and limit.name.endswith('Used'):
limits_dict[limit.name] = 0
else:
# -1 is used to represent unlimited quotas
limits_dict[limit.name] = float("inf")
else:
limits_dict[limit.name] = limit.value
return limits_dict
@profiler.trace
def availability_zone_list(request, detailed=False):
return novaclient(request).availability_zones.list(detailed=detailed)
@profiler.trace
def server_group_list(request):
return novaclient(request).server_groups.list()
@profiler.trace
def service_list(request, binary=None):
return novaclient(request).services.list(binary=binary)
@profiler.trace
def service_enable(request, host, binary):
return novaclient(request).services.enable(host, binary)
@profiler.trace
def service_disable(request, host, binary, reason=None):
if reason:
return novaclient(request).services.disable_log_reason(host,
binary, reason)
else:
return novaclient(request).services.disable(host, binary)
@profiler.trace
def aggregate_details_list(request):
result = []
c = novaclient(request)
for aggregate in c.aggregates.list():
result.append(c.aggregates.get_details(aggregate.id))
return result
@profiler.trace
def aggregate_create(request, name, availability_zone=None):
return novaclient(request).aggregates.create(name, availability_zone)
@profiler.trace
def aggregate_delete(request, aggregate_id):
return novaclient(request).aggregates.delete(aggregate_id)
@profiler.trace
def aggregate_get(request, aggregate_id):
return novaclient(request).aggregates.get(aggregate_id)
@profiler.trace
def aggregate_update(request, aggregate_id, values):
return novaclient(request).aggregates.update(aggregate_id, values)
@profiler.trace
def aggregate_set_metadata(request, aggregate_id, metadata):
return novaclient(request).aggregates.set_metadata(aggregate_id, metadata)
@profiler.trace
def host_list(request):
return novaclient(request).hosts.list()
@profiler.trace
def add_host_to_aggregate(request, aggregate_id, host):
return novaclient(request).aggregates.add_host(aggregate_id, host)
@profiler.trace
def remove_host_from_aggregate(request, aggregate_id, host):
return novaclient(request).aggregates.remove_host(aggregate_id, host)
@profiler.trace
def interface_attach(request,
server, port_id=None, net_id=None, fixed_ip=None):
return novaclient(request).servers.interface_attach(server,
port_id,
net_id,
fixed_ip)
@profiler.trace
def interface_detach(request, server, port_id):
return novaclient(request).servers.interface_detach(server, port_id)
@profiler.trace
@memoized_with_request(novaclient)
def list_extensions(nova_api):
"""List all nova extensions, except the ones in the blacklist."""
blacklist = set(getattr(settings,
'OPENSTACK_NOVA_EXTENSIONS_BLACKLIST', []))
return tuple(
extension for extension in
nova_list_extensions.ListExtManager(nova_api).show_all()
if extension.name not in blacklist
)
@profiler.trace
@memoized_with_request(list_extensions, 1)
def extension_supported(extension_name, extensions):
"""Determine if nova supports a given extension name.
Example values for the extension_name include AdminActions, ConsoleOutput,
etc.
"""
for extension in extensions:
if extension.name == extension_name:
return True
return False
@profiler.trace
def can_set_server_password():
features = getattr(settings, 'OPENSTACK_HYPERVISOR_FEATURES', {})
return features.get('can_set_password', False)
@profiler.trace
def instance_action_list(request, instance_id):
return nova_instance_action.InstanceActionManager(
novaclient(request)).list(instance_id)
@profiler.trace
def can_set_mount_point():
"""Return the Hypervisor's capability of setting mount points."""
hypervisor_features = getattr(
settings, "OPENSTACK_HYPERVISOR_FEATURES", {})
return hypervisor_features.get("can_set_mount_point", False)
@profiler.trace
def requires_keypair():
features = getattr(settings, 'OPENSTACK_HYPERVISOR_FEATURES', {})
return features.get('requires_keypair', False)
def can_set_quotas():
features = getattr(settings, 'OPENSTACK_HYPERVISOR_FEATURES', {})
return features.get('enable_quotas', True)